ImageDisplayHelper

java.lang.Object
- ptolemy.actor.lib.jjs.modules.imageDisplay.ImageDisplayHelper

```
public class ImageDisplayHelper
extends java.lang.Object
```
Helper for the imageDisplay JavaScript module.

Since:

Ptolemy II 11.0

Version:

$Id$

Author:

Christopher Brooks, based on ImageDisplayJavaSE by Jianwu Wang which in turne was based on code by James Yeh, Edward A. Lee

Pt.AcceptedRating:

Red (cxh)

Pt.ProposedRating:

Yellow (eal)

Field Summary

Fields
Modifier and Type	Field	Description
`protected int`	`_oldXSize`	The horizontal size of the previous image.
`protected int`	`_oldYSize`	The vertical size of the previous image.
`protected Picture`	`_picture`	The picture panel.

Constructor Summary

Constructors
Constructor Description

ImageDisplayHelper()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type Method Description

void displayImage(AWTImageToken imageToken)
Display an image.
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - _oldXSize
```
protected int _oldXSize
```
    The horizontal size of the previous image.
  - _oldYSize
```
protected int _oldYSize
```
    The vertical size of the previous image.
  - _picture
```
protected Picture _picture
```
    The picture panel.
- Constructor Detail
  - ImageDisplayHelper
```
public ImageDisplayHelper()
```
- Method Detail
  - displayImage
```
public void displayImage(AWTImageToken imageToken)
```
    Display an image.
    
    Parameters:
    
    imageToken - The image to be displayed.